FavIcon.ico

Needs to be 16 x 16 and in the website root directory.

http://www.sherv.net/icon-maker/

 http://www.genfavicon.com/

http://www.coolutils.com/Online-Image-Converter.php

 

http://www.getfavicon.org/

 

Great Tutoial:

http://egressive.com/tutorial/creating-a-multi-resolution-favicon-including-transparency-with-the-gimp